Touch sensitive display device and driving apparatus thereof, and method of detecting a touch
First Claim
Patent Images
1. A display device, comprising:
- a display panel;
a plurality of pixels disposed on the display panel;
a plurality of first sensing units disposed on the display panel and generating first sensing signals in response to a touch exerted on the display panel; and
a sensing signal processor configured to process the first sensing signals and generate second sensing signals for a plurality of frames, the sensing signal processor determining whether a touch occurs based on the second sensing signals for the plurality of frames.
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Abstract
According to an embodiment of the present invention, a display device may include a display panel, a plurality of pixels disposed on the display panel, a plurality of first sensing units disposed on the display panel and generating first sensing signals in response to a touch exerted on the display panel, and a sensing signal processor configured to process the first sensing signals and generate second sensing signals for a plurality of frames, the sensing signal processor determining whether a touch occurs based on the second sensing signals for the plurality of frames.
74 Citations
27 Claims
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1. A display device, comprising:
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a display panel;
a plurality of pixels disposed on the display panel;
a plurality of first sensing units disposed on the display panel and generating first sensing signals in response to a touch exerted on the display panel; and
a sensing signal processor configured to process the first sensing signals and generate second sensing signals for a plurality of frames, the sensing signal processor determining whether a touch occurs based on the second sensing signals for the plurality of frames. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus for driving a display panel including a plurality of sensing units configured to generate a plurality of first sensing signals in response to a touch exerted on the display panel, the apparatus comprising:
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a sensing signal processor configured to generate a plurality of second sensing signals for a plurality of frames based on the first sensing signals from the display panel and determining whether a touch occurs based on the second sensing signals for the plurality of frames; and
a frame memory configured to store at least one of the first and second sensing signals. - View Dependent Claims (20, 21, 22, 23)
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24. A method of detecting a touch exerted on a display panel, the method comprising:
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generating a plurality of pointwise sensor output signals in response to a touch exerted on the display panel;
collecting the sensor output signals in rows and columns to generate a sensor data signal for each row and for each column corresponding to each frame of a plurality of frames; and
determining whether a touch occurs based on the sensor data signals for the plurality of frames. - View Dependent Claims (25, 26, 27)
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Specification